Liam Neeson in The GreyTHE GREY

Whenever I watch a movie such as Alive or The Thing or director Joe Carnahan's The Grey - especially in January - I ask myself the same question: Is it worth it? I know about cinematic sleight-of-hand, of course, and that the performers and crew aren't enduring anywhere near the nightmarish conditions suffered by the characters on-screen. I also presume that a fat Hollywood paycheck instantly makes any location shooting, including The Grey's outdoor shoot in wintry British Columbia, a lot more bearable. But still, all that ice and wind and trudging through thigh-deep snow ... . Is any movie experience worth spending three months in fear of losing your digits to frostbite?

Rooney Mara and Daniel Craig in The Girl with the Dragon TattooTHE GIRL WITH THE DRAGON TATTOO

Although I haven't read the book and now have no desire to, my guess is that those who love author Stieg Larsson's The Girl with the Dragon Tattoo will likely love the new film version, which boasts exceptional style and (as I understand it) doesn't significantly veer from the novel's narrative. Similarly, those who genuflect at the altar of David Fincher - and I'm occasionally one of them - will find plenty to adore here, as the director's signature imprint is on every seedy, suggestive, sepia-toned image.

Justin Bieber in Justin Bieber: Never Say NeverJUSTIN BIEBER: NEVER SAY NEVER

Leave it to that great Socratic thinker Ozzy Osbourne, in a recent TV commercial, to ask the question that's been on many a middle-aged mind of late: "What's a Bieber?"